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From: "Clément Pit-Claudel" <cpitclaudel@gmail.com>
To: Noam Postavsky <npostavs@users.sourceforge.net>
Cc: Emacs developers <emacs-devel@gnu.org>
Subject: Re: If records are not sequences, why does aref work on records?
Date: Fri, 7 Apr 2017 16:12:33 -0400	[thread overview]
Message-ID: <c8e2832a-816a-c162-079b-b1960e729816@gmail.com> (raw)
In-Reply-To: <CAM-tV--dVhSaxN0qc=XJy+YczW0fihVeodQW6o2Qz-GdZ4nTeg@mail.gmail.com>

On 2017-04-07 15:41, Noam Postavsky wrote:
> On Fri, Apr 7, 2017 at 3:25 PM, Clément Pit-Claudel
> <cpitclaudel@gmail.com> wrote:
>> On 2017-04-07 15:07, Noam Postavsky wrote:
>>> If you do (cl-defstruct person age height), you
>>> don't care whether 'age' goes before 'height', just that person-age
>>> gives you the age field.
>>
>> Sometimes you do — for example, you might know that multiple structures in your application have the same data in their first field, and if so (aref x 1) should work.
> 
> In that case, you should be probably be using :include for the common
> parts, or else :type to explicitly use vectors. 

Very good point.

> I'm sure you can come up with exceptions to that too though :)

Hum.  Users who don't read the manual closely enough ? 😳 :)





  reply	other threads:[~2017-04-07 20:12 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-05 15:31 Recent change in master breaks async package update using paradox Kaushal Modi
2017-04-05 16:05 ` Eli Zaretskii
2017-04-05 21:59 ` Tom Tromey
2017-04-05 22:48   ` Kaushal Modi
2017-04-06  5:00     ` Lars Brinkhoff
2017-04-06 10:46       ` Kaushal Modi
2017-04-06 11:00         ` Lars Brinkhoff
2017-04-06 11:28           ` Kaushal Modi
2017-04-06 12:12             ` Lars Brinkhoff
2017-04-06 12:22               ` Noam Postavsky
2017-04-06 12:36                 ` Lars Brinkhoff
2017-04-06 11:19 ` Lars Brinkhoff
2017-04-07  5:42 ` Lars Brinkhoff
2017-04-07  7:25   ` Eli Zaretskii
2017-04-07  7:40     ` Lars Brinkhoff
2017-04-07  9:51       ` Eli Zaretskii
2017-04-07 13:28         ` Debugging problems using async.el Lars Brinkhoff
2017-04-07 14:11           ` Kaushal Modi
2017-04-07 14:39             ` Eli Zaretskii
2017-04-07 18:10             ` Lars Brinkhoff
2017-04-07 11:59       ` Recent change in master breaks async package update using paradox Stefan Monnier
2017-04-07 13:07         ` What is a "sequence"? Lars Brinkhoff
2017-04-07 13:26           ` Stefan Monnier
2017-04-07 16:56       ` If records are not sequences, why does aref work on records? Paul Eggert
2017-04-07 17:27         ` Lars Brinkhoff
2017-04-07 17:41           ` Drew Adams
2017-04-07 18:23             ` Lars Brinkhoff
2017-04-07 18:30               ` Drew Adams
2017-04-07 19:07                 ` Noam Postavsky
2017-04-07 19:13                   ` Stefan Monnier
2017-04-07 20:49                     ` Drew Adams
2017-04-07 21:00                       ` Clément Pit-Claudel
2017-04-07 21:02                       ` Noam Postavsky
2017-04-08  1:58                         ` Paul Eggert
2017-04-08  5:03                           ` Lars Brinkhoff
2017-04-08  5:25                             ` Lars Brinkhoff
2017-04-08  5:34                           ` Noam Postavsky
2017-04-08  7:42                             ` Paul Eggert
2017-04-08  7:50                               ` Eli Zaretskii
2017-04-08 13:33                               ` Noam Postavsky
2017-04-08 11:34                         ` Philipp Stephani
2017-04-08 12:24                           ` Clément Pit-Claudel
2017-04-08 15:24                             ` Lars Brinkhoff
2017-04-08 17:17                               ` Clément Pit-Claudel
2017-04-08 17:46                                 ` Lars Brinkhoff
2017-04-09 19:15                             ` Richard Stallman
2017-04-11 12:27                               ` Stefan Monnier
2017-04-07 19:25                   ` Clément Pit-Claudel
2017-04-07 19:41                     ` Noam Postavsky
2017-04-07 20:12                       ` Clément Pit-Claudel [this message]
2017-04-07 19:43                     ` Stefan Monnier
2017-04-07 17:59         ` Clément Pit-Claudel
2017-04-07 18:28 ` Recent change in master breaks async package update using paradox Lars Brinkhoff
2017-04-08  6:50   ` Lars Brinkhoff
2017-04-08 12:25     ` Clément Pit-Claudel
2017-04-08 13:35     ` Kaushal Modi
2017-04-08 18:21       ` Lars Brinkhoff

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